Figure 5

(a–f) Optical images of graphene on h-BN, for growth times of 5, 10, 15, 20, 25, and 30 min, respectively. (g) Raman spectra and (h) FWHM of the 2D band of graphene on h-BN, for growth times of 5, 10, 15, 20, 25, and 30 min.

(a–f) Optical images of graphene on h-BN, for growth times of 5, 10, 15, 20, 25, and 30 min, respectively. (g) Raman spectra and (h) FWHM of the 2D band of graphene on h-BN, for growth times of 5, 10, 15, 20, 25, and 30 min.